I have had a buffing system for 15 some odd years now. I was into custom trucks in the 90's and bought a bunch of wheels, puffs, balls, rouge, disks, etc at a car show.

I have had these two large bars since then.....One gray and the other white. I think they say "Buckeye Products, Speedie, Cincinatti" but I have ground a couple of letters off ;-)

What compound would these most likely be and where would I use them in a whole rainbow of compounds?

Barry